MMD Equipment 400S-6B1 - Manual (Page 42)

5. Periodic Inspection/Maintenance
5-3
5.3 Periodic Inspection List
Such items marked ○ shall be carried out by customers.
For the following items or clauses marked ●, contact us directly or our distributors because they
require expert technical knowledge on them.
The following table shows the intervals of inspection and maintenance under normal operation conditions.
Inspection and maintenance should be done at either of the hour or the period mentioned in the remarks
column, whichever comes earlier.
＊ Refer to engine operation manual for inspection and maintenance of an engine.
Maintenance Daily Every
250 hours
Every
500hours
Every
1,000 hours
Every
2,000 hours
Every
4,000 hours Page Remarks
Check each instrument and
warning lamp
○ 4-14
Check insulation resistance ○ 5-6 Every 2 months
Check GFCI receptacles ○ 5-8 Every 2 months
How to check thermal relay ○ 5-8 Every 2 months
Gen
erat
or
Cleaning instruments in control
panel
○ 4-10
Cleaning should be
done when needed.
Check and clean clogging of air filter
element
○ 5-9
Change air filter element ○ 5-14
Drain fuel tank ○ 5-9
Check fuel ○ 4-10
Check engine oil level ○ 4-9
Check coolant level ○ 4-9
Check looseness in pipe
connector terminals and tear in wiring
○ 5-10
Check alternator drive belt
tension・adjust
○ 5-7
In the case of NG,
it exchanges.
Change engine oil ○
(First time)
○ 5-5
Change engine oil filter ○
(First time)
○ 5-6
Check for water separator ○ 4-10
Check battery electrolyte ○ 5-10
Check Specific gravity of battery
electrolyte
○ 5-10
Change fuel pre-filter ○ 5-11
Clean outside of radiator ○ 5-10
Dirt condition
cleans.
Change fuel filter ○ 5-12
Check and measure compression
pressure
●
Change corrosion resistor
cartridge
○ 5-13
Clean the strainer provided inside the
engine feed pump
○ 5-14
Clean inside the fuel tank ●
Check fan belt tension・adjust ○ 5-16
In the case of NG,
it exchanges.
Check engine valve clearance ●
Eng
in
e
Change coolant ○ 5-17 Every 2 years
Check the terminal portion of
electrical circuits and cable
connections
○ 5-15 Every 4 months
Check vibration isolator rubbers ○ 5-15 Yearly
Others
Check each rubber hose ○ 5-14 Yearly
Note：The above intervals of inspection and maintenance are respectively based on the operation time of 125
hours of used per month and of 1,500 hours of use per year.